Ionic and covalent bonding Prelab activity
Procedure: Virtual Lab; Go to the site http://www.shodor.org/teachers/media/flash/chemapp.swf
Follow the instructions and determine if the light shines brightly or weakly for the following compounds.
i. C12H22O11
ii. AgCl
iii. AlBr3
iv. CH3(CH2) 3 CH3
v. CaCl2
vi. CH3 OH
vii. C12H22O11
Complete the Data Table:
NAME
FORMULA
1
C12H22O11
2
KOH
3
AlBr3
4
5
CH3(CH2) 3
CH3
CaCl2
6
CH3 OH
7
C6H12O6
NAME
1
2
3
4
5
6
FORMULA
LIGHT
SHINES
(YES bright
or weakly or
NO)
Ionic or
Covalent
Electrolyte (weak or
strong) or Nonelectrolyte
LIGHT
SHINES
(YES bright
or weakly or
NO)
Ionic or
Covalent
List the ions in solution in
demonstration
Lab Questions:
1. What is an electrolyte? ___________________________________________________
2. List 2 examples of electrolytes: ____________________________________
3. What is a nonelectrolyte? ___________________________________________________
4. List 2 examples of nonelectrolyte: ____________________________________
Write the following chart into your lab book for lab in next class.
Fill in the chart below after the lab in class:
NAME
FORMULA
1
Sodium chloride
2
MgSO4
3
sucrose
4
CuSO4
5
Isopropyl alcohol
6
7
8
9
10
11
0.1 M HCl
Acetic acid
NaOH
LIGHT
SHINES
(YES bright
or weakly or
NO)
Ionic or
Covalent
List any ions in solution
for the electrolytes in your
lab experiments with the
conductivity tester